FA-OPPC024WH-002-012

Natural Gems Belgium Colored Stone Certification : FA-OPPC024WH-002-012

IDENTIFICATION : Natural White Opal - bicolor white orange - play of color - 7.944 ct - oval - unheated - unique

Species : Natural Opal
Variety : White Opal

DESCRIPTION

Shape & Cutting Style : Oval cabochon, polished both sides
Measurements : 18.1 x 12.9 x 6.6 mm
Carat Weight : 7.944 Carat
Color : White-Orange - play of color opaliscence
Transparency : Semi-translucent
Origin: Yita Ridge, Ethiopia

Birefringence : none
Crystallography : Amorphous
Dispersion : Very low
Luster : Play of color floral rainbow
Hardness : 6-6.5
Refractive index : 1.37-1.47
Specific gravity : 2.10

COMMENTS :

Optical Effect : Opaliscence (Floral Rainbow)

bi color white and orange

no indications of heating, no indications of other treatments

Personal Note From Natural Gems Belgium:

Color : good to very good - play of fire visible without additional light - bicolor
Cut : good
Carat Weight : good
symmetry : good
clarity : fair to good
polish : good